<div class="loading-spinner">
  <div class="spinner">
    <div class="rect1"></div>
    <div class="rect2"></div>
    <div class="rect3"></div>
    <div class="rect4"></div>
    <div class="rect5"></div>
  </div>
</div>

<style>
  .loading-spinner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .spinner {
    margin: 100px auto;
    width: 50px;
    height: 40px;
    text-align: center;
    font-size: 10px;
  }

  .spinner > div {
    background: linear-gradient(270deg, #f97316, #ffb800);
    height: 100%;
    width: 6px;
    display: inline-block;

    -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
  }

  .spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
  }

  .spinner .rect3 {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
  }

  .spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
  }

  .spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
  }

  @-webkit-keyframes sk-stretchdelay {
    0%,
    40%,
    100% {
      -webkit-transform: scaleY(0.4);
    }
    20% {
      -webkit-transform: scaleY(1);
    }
  }

  @keyframes sk-stretchdelay {
    0%,
    40%,
    100% {
      transform: scaleY(0.4);
      -webkit-transform: scaleY(0.4);
    }
    20% {
      transform: scaleY(1);
      -webkit-transform: scaleY(1);
    }
  }
</style>
